commitlint.yml

name: Commit messages

# Pull requests only: the PR title and the PR's commits follow Conventional Commits. Commits pushed to main directly
# are not checked.
on:
  pull_request:
    types: [opened, edited, synchronize, reopened]

permissions:
  contents: read

jobs:
  commitlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v7
        with:
          node-version: 24
      - name: Install commitlint
        run: npm install --no-save --no-package-lock @commitlint/cli@19 @commitlint/config-conventional@19
      - name: Pull request title
        env:
          TITLE: ${{ github.event.pull_request.title }}
        run: printf '%s\n' "$TITLE" | npx --no-install commitlint --verbose
      - name: Pull request commits
        run: >-
          npx --no-install commitlint --verbose
          --from ${{ github.event.pull_request.base.sha }}
          --to ${{ github.event.pull_request.head.sha }}